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9eea764a1f
http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2005/n1905.pdf 18.7p3 explicitly calls this (and some other things) out as undefined. Also move 2 other existing warnings behind the new -Wvarargs flag. llvm-svn: 182694
8 lines
298 B
C++
8 lines
298 B
C++
// RUN: %clang_cc1 -fsyntax-only -verify %s
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class string;
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void f(const string& s, ...) { // expected-note {{parameter of type 'const string &' is declared here}}
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__builtin_va_list ap;
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__builtin_va_start(ap, s); // expected-warning {{'va_start' has undefined behavior with reference types}}
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}
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